discase

from WordNet (r) 3.0 (2006)

discase
    v 1: get undressed; "please don't undress in front of
         everybody!"; "She strips in front of strangers every night
         for a living" [syn: {undress}, {discase}, {uncase},
         {unclothe}, {strip}, {strip down}, {disrobe}, {peel}] [ant:
         {apparel}, {clothe}, {dress}, {enclothe}, {fit out},
         {garb}, {garment}, {get dressed}, {habilitate}, {raiment},
         {tog}]

from The Collaborative International Dictionary of English v.0.48

Discase \Dis*case"\, v. t.
   To strip; to undress. --Shak.
   [1913 Webster]